求学的三个条件是：多观察、多吃苦、多研究。Three conditions of studying 7- : seeing much, suffering much, much research.加菲劳

　　学到很多东西的诀窍，就是一下子不要学很多。learn a lot of things secret, is suddenly don't learn a lot.洛 克

　　有教养的头脑的第一个标志就是善于提问。The first sign of 9- educated minds is good at asking questions.普列汉诺夫

　　好问的人，只做了五分种的愚人;耻于发问的人，终身为愚人。 good to ask people, only five minutes of fools; ashamed of the questioner, life as a fool.

　　聪明的人有长的耳朵和短的舌头。 the wise man has long ears and a short tongue.弗莱格

　　把学问过于用作装饰是虚假;完全依学问上的规则而断事是书生的怪癖。

　　to use them too much for ornament is false; entirely by learning the rules of things off is the humor of a scholar.培 根